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How to use cause method in Slash

Best Python code snippet using slash

correct_restrictions.py

Source:correct_restrictions.py

...32        restrictions = self.prep_restrictions(self.cause_set_version_id)33        # run the more code system specific replacements34        if self.verbose:35            print("[{}] Setting restricted cause".format(str(datetime.now())))36        manual_restrictions = self.set_restricted_cause(df)37        # identify the restrictions38        if self.verbose:39            print("[{}] Marking restrictions".format(str(datetime.now())))40        merged_restrictions = self.identify_restrictions(manual_restrictions,41                                                         restrictions)42        # good place to save diagnostics43        if self.collect_diagnostics:44            self.diag_df = merged_restrictions.copy()45        # Replace the cause46        if self.verbose:47            print("[{}] Replacing cause".format(str(datetime.now())))48        # where the row represents a restriction violation, replace the code id49        # and the cause id with the restriction code/cause50        merged_restrictions.loc[51            merged_restrictions.restricted == 1,52            'code_id'] = merged_restrictions['restricted_code_id']53        merged_restrictions.loc[54            merged_restrictions.restricted == 1,55            'cause_id'] = merged_restrictions['restricted_cause_id']56        # then collapse57        # identify the restrictions58        if self.verbose:59            print("[{}] Collapsing".format(str(datetime.now())))60        merged_restrictions = merged_restrictions.groupby(61            self.groupby_cols, as_index=False)['deaths'].sum()62        return merged_restrictions63    def get_diagnostic_dataframe(self):64        """Return an evaluation of success of restrictions corrections65        Perhaps return a dataframe which is just the subset of the original66        that violated some age and sex restriction67        """68        if self.diag_df is None:69            raise AssertionError(70                "Need to run get_computed_dataframe once "71                "with collect_diagnostics = True")72        return self.diag_df73    def prep_restrictions(self, cause_set_version_id):74        """Get all the needed restrictions data75        Implemented by pulling from central get_causes function,76        then subsetting to just the restriction info for each cause_id.77        """78        df = get_current_cause_hierarchy(79            cause_set_version_id=cause_set_version_id,80            **self.standard_cache_options81        )82        df = df[['acause', 'cause_id', 'male',83                 'female', 'yll_age_start', 'yll_age_end']]84        return df85    def prep_code_metadata(self):86        df = get_cause_map(87            self.code_system_id,88            **self.standard_cache_options89        )90        df = df[['code_id', 'value', 'cause_id']]91        df = df.rename(columns={'value': 'raw_cause'})92        return df93    def set_restricted_cause(self, df):94        """Run a set of manual replacements, according to expert opinion."""95        # based on first letter of icd code, certain values chould be filled in96        mapping_icd10 = {'A': 'B99.9', 'B': 'B99.9', 'C': 'D49.9',97                         'D': 'D49.9', 'I': 'I99.9', 'J': 'J98.9',98                         'K': 'K92.9', 'V': 'Y89', 'Y': 'Y89'}99        # add value field100        df = add_code_metadata(101            df, ['value'], self.code_system_id,102            **self.standard_cache_options103        )104        report_if_merge_fail(df, 'value', 'code_id')105        df = df.rename(columns={'value': 'raw_cause'})106        # generate new column called "restricted_cause"107        # ZZZ is the default for all code systems...

recode.py

Source:recode.py

1import pandas as pd2import numpy as np3from cod_prep.claude.cod_process import CodProcess4from cod_prep.downloaders.causes import (5    add_cause_metadata,6    get_all_related_causes7)8from cod_prep.downloaders.nids import add_nid_metadata9from cod_prep.claude.configurator import Configurator10import warnings11class Recoder(CodProcess):12    id_cols = ['nid', 'extract_type_id', 'location_id', 'year_id',13               'age_group_id', 'sex_id', 'cause_id',14               'site_id']15    val_cols = ['deaths', 'deaths_rd', 'deaths_corr', 'deaths_raw']16    def __init__(self, cause_meta_df, source, code_system_id, data_type_id):17        self.source = source18        self.code_system_id = code_system_id19        self.data_type_id = data_type_id20        self.cause_meta_df = cause_meta_df21        self.conf = Configurator("standard")22        self.vr_indicators_path = self.conf.get_resource('vr_indicators')23        self.cache_options = {24            'force_rerun': False,25            'block_rerun': True,26            'cache_results': False,27            'cache_dir': self.conf.get_directory('db_cache')28        }29    def get_computed_dataframe(self, df):30        if 'data_type_id' not in df.columns:31            df = add_nid_metadata(df, "data_type_id", **self.cache_options)32        df = self.recode(df)33        df = self.conform_secret_causes(df)34        df = self.clean_up(df)35        return df36    def get_diagnostic_dataframe(self):37        """Return diagnostics."""38        pass39    def recode_sids(self, df):40        path_to_4_stars_sheet = self.conf.get_resource("four_star_locations")41        four_five_star_locs = pd.read_csv(path_to_4_stars_sheet)42        four_five_star_locs = four_five_star_locs[['location_id']]43        four_five_star_locs = four_five_star_locs.location_id.unique()44        less_than_four_star = ~df['location_id'].isin(four_five_star_locs)45        is_sids = df['cause_id'] == 68646        df.loc[is_sids & less_than_four_star, 'cause_id'] = 38047        return df48    def clean_up(self, df):49        """Group rogue duplicates."""50        df = df.groupby(self.id_cols, as_index=False)[self.val_cols].sum()51        return df52    def conform_secret_causes(self, df):53        df = add_cause_metadata(54            df, add_cols=['secret_cause', 'parent_id'],55            cause_meta_df=self.cause_meta_df,56            **self.cache_options57        )58        injuries_replace_parents = [722, 720, 719]59        replaced_injuries = df['cause_id'].isin(injuries_replace_parents)60        df.loc[replaced_injuries, 'parent_id'] = 72361        secret_causes = df['secret_cause'] == 162        not_cc_code = df['cause_id'] != 91963        len_before = len(df)64        if df['parent_id'].isnull().values.any():65            raise AssertionError(66                'There are missing parent cause_ids'67            )68        df.loc[secret_causes & not_cc_code, 'cause_id'] = df['parent_id']69        len_after = len(df)70        if len_before != len_after:71            raise AssertionError(72                'The length of the dataframe has changed from {} to {}'.format(73                    len_before, len_after74                )75            )76        df.drop(['parent_id', 'secret_cause'], axis=1, inplace=True)77        return df78    def drop_leukemia_subtypes(self, df):79        leuk_subtypes = get_all_related_causes('neo_leukemia', self.cause_meta_df)80        leuk_subtypes.remove(487)81        df.loc[82            (df['cause_id'].isin(leuk_subtypes)) & (df['deaths_rd'] > 0) &83            (df['deaths_raw'] <= 0), 'cause_id'84        ] = 48785        return df86    87    def recode(self, df):88 89        cause_metadata_df = self.cause_meta_df90        cause_metadata_df = cause_metadata_df[["cause_id",91                                               "path_to_top_parent",92                                               "acause"]]93        ckd_cause_ids = get_all_related_causes('ckd', cause_metadata_df)94        ckd_cause_ids.remove(593)95        ckd_less_other = df['cause_id'].isin(ckd_cause_ids)96        neonate = df['age_group_id'].isin([2, 3])97        df.loc[ckd_less_other & neonate, 'cause_id'] = 65298        resp_ids = [509, 515, 516, 520]99        is_cert_resp_causes = df['cause_id'].isin(resp_ids)100        df.loc[is_cert_resp_causes & neonate, 'cause_id'] = 322101        is_asthma = df['cause_id'] == 515102        df.loc[is_asthma & (df['age_group_id'] == 4), 'cause_id'] = 322103        maternal_cause_ids = get_all_related_causes(366, cause_metadata_df)104        maternal_cause_ids = df['cause_id'].isin(maternal_cause_ids)105        non_maternal_ages = np.logical_not(106            df['age_group_id'].isin([7, 8, 9, 10, 11, 12, 13, 14, 15, 22])107        )108        df.loc[maternal_cause_ids & non_maternal_ages, 'cause_id'] = 919109        alzheimers = df['cause_id'] == 543110        under_40 = df['age_group_id'].isin(range(1, 13, 1))111        df.loc[alzheimers & under_40, 'cause_id'] = 919112        cong_causes = get_all_related_causes('cong', cause_metadata_df)113        congenital = df['cause_id'].isin(cong_causes)114        over_70 = df['age_group_id'].isin([19, 20, 30, 31, 32, 235])115        df.loc[congenital & over_70, "cause_id"] = 919116        hepatitis = get_all_related_causes(400, cause_metadata_df)117        hepatitis = df['cause_id'].isin(hepatitis)118        if self.code_system_id in [7, 9]:119            df.loc[hepatitis & neonate, "cause_id"] = 380120        else:121            df.loc[hepatitis & neonate, "cause_id"] = 384122        inj_disaster_light = df['cause_id'] == 984123        df.loc[inj_disaster_light, 'cause_id'] = 716124        if self.code_system_id not in [1, 6]:125            ckd_diabetes = df['cause_id'].isin([997, 998])126            df.loc[ckd_diabetes, 'cause_id'] = 589127        if self.code_system_id not in [1, 6, 9]:128            diabetes_subtypes = df['cause_id'].isin([975, 976])129            df.loc[diabetes_subtypes, 'cause_id'] = 587130        diabetes_type_2 = df['cause_id'] == 976131        under_15 = df['age_group_id'] < 8132        df.loc[diabetes_type_2 & under_15, 'cause_id'] = 975133        iron_or_iodine = df['cause_id'].isin([388, 390])134        df.loc[iron_or_iodine, 'cause_id'] = 919135        under_1 = df['age_group_id'] < 5136        cvd_ihd = df['cause_id'] == 493137        df.loc[cvd_ihd & under_1, 'cause_id'] = 643138        if 686 in df.cause_id.unique():139            df = self.recode_sids(df)140        df.loc[df.cause_id.isin([344, 409, 410,141                                 542, 558, 669,142                                 680, 961]), 'cause_id'] = 919143        if self.data_type_id not in [6, 7, 8]:144            df.loc[df['cause_id'] == 687, 'cause_id'] = 919145        one_to_14 = df['age_group_id'].isin([5, 6, 7])146        cvd_ihd = df['cause_id'] == 493147        df.loc[cvd_ihd & one_to_14, 'cause_id'] = 507148        cancer_recodes = get_all_related_causes([411, 414, 423, 426, 429, 432,149                                                 435, 438, 441, 444, 450, 453,150                                                 456, 459, 462, 465, 468, 474,151                                                 486, 483], cause_metadata_df)152        cancer_recodes = df['cause_id'].isin(cancer_recodes)153        cancer_ages = df['age_group_id'].isin(range(2, 8, 1))154        df.loc[cancer_recodes & cancer_ages, "cause_id"] = 489155        not_icd10 = self.code_system_id != 1156        neo_meso = df['cause_id'] == 483157        df.loc[neo_meso & not_icd10, "cause_id"] = 489158        if self.source.endswith("AAMSP"):159            digest_hernia = df['cause_id'].isin([531])160            df.loc[digest_hernia, "cause_id"] = 919161        if self.source == "":162            homicide_and_suicide = df['cause_id'].isin([724, 725, 726, 727, 941,163                                                        718, 719, 720, 721, 722, 723])164            bad_years = df['year_id'].isin(range(2007, 2015))165            # _unintent166            df.loc[bad_years & homicide_and_suicide, "cause_id"] = 919167        inj_war = get_all_related_causes(945, cause_metadata_df)168        is_inj_war = df['cause_id'].isin(inj_war)169        jamaica = df['location_id'] == 115170        year_2005 = df['year_id'] == 2005171        vr = df['data_type_id'] == 9172        df.loc[is_inj_war & jamaica & year_2005 & vr, 'cause_id'] = 724173        inj_mech_gun = df['cause_id'] == 705174        year_2006 = df['year_id'] == 2006175        df.loc[inj_mech_gun & year_2006 & jamaica & vr, 'cause_id'] = 724176        if self.source == "ICD10":177            digest_ibd = df['cause_id'] == 532178            suriname = df['location_id'] == 118179            year_1995_2012 = df['year_id'].isin(range(1995, 2013, 1))180            df.loc[digest_ibd & suriname & year_1995_2012, 'cause_id'] = 526181        endo_prodcedural = df['cause_id'] == 624182        df.loc[endo_prodcedural, 'cause_id'] = 708183        schizo = df['cause_id'] == 559184        tibet = df['location_id'] == 518185        df.loc[schizo & tibet, 'cause_id'] = 919186        hiv = get_all_related_causes(298, cause_metadata_df)187        hiv = df['cause_id'].isin(hiv)188        pre_1980 = df['year_id'] < 1980189        df.loc[hiv & pre_1980, 'cause_id'] = 919190        diabetes_causes = get_all_related_causes(587, cause_metadata_df)191        diabetes = df['cause_id'].isin(diabetes_causes)192        df.loc[neonate & diabetes, 'cause_id'] = 380193        under_20 = df['age_group_id'].isin(range(0, 8, 1))194        stroke = get_all_related_causes(195            'cvd_stroke', cause_metadata_df196        )197        stroke_deaths = df['cause_id'].isin(stroke)198        va = df['data_type_id'] == 8199        200        df.loc[under_20 & stroke_deaths & va, 'cause_id'] = 491201        over_95 = df['age_group_id'] == 235202        inj_trans_road_pedal = df['cause_id'] == 691203        df.loc[over_95 & inj_trans_road_pedal, 'cause_id'] = 919204        df.loc[schizo, 'cause_id'] = 919205        if self.source == "Russia_FMD_1999_2011":206            cvd_pvd = df['cause_id'] == 502207            df.loc[cvd_pvd, 'cause_id'] = 491208        if self.source == "":209            sui_homi_causes = [717, 718, 719, 720, 721, 722, 723,210                               724, 725, 726, 727, 941]211            sui_homi = df['cause_id'].isin(sui_homi_causes)212            bad_years = df['year_id'].isin(range(2007, 2015))213            df.loc[sui_homi & bad_years, 'cause_id'] = 919214        if "India_MCCD" in self.source:215            non_neonates = np.logical_not(df['age_group_id'].isin([2, 3]))216            neonatal_sepsis = df['cause_id'].isin([])217            df.loc[non_neonates & neonatal_sepsis, 'cause_id'] = 380218        if self.source == "India_SCD_states_rural":219            warnings.warn("Implement SCD rd artifact recode")220        inj_war_execution = df['cause_id'] == 854221        if self.source == "ICD9_BTL":222            ecuador = df['location_id'] == 122223            year_1980_1990 = df['year_id'].isin(range(1980, 1991, 1))224            df.loc[inj_war_execution & ecuador & year_1980_1990,225                   'cause_id'] = 855226            bih = df['location_id'] == 44227            year_1985_1991 = df['year_id'].isin([1985, 1986, 1987, 1988,228                                                 1989, 1990, 1991])229            df.loc[inj_war_execution & bih &230                   year_1985_1991, 'cause_id'] = 855231            warnings.warn("BTL cancer recode needed")232        if self.source == "ICD10":233            irq = df['location_id'] == 143234            year_2008 = df['year_id'] == 2008235            df.loc[inj_war_execution & year_2008 & irq, 'cause_id'] = 855236        if self.source == "ICD9_detail":237            if ((df['location_id'] == 43) & (df['year_id'] == 1997)).any():238                warnings.warn("Albania homicide recode needed")239        if self.source == "ICD9_USSR_Tabulated":240            warnings.warn("Missing some homicide fixes for TJK, ARM here.")241        df = self.drop_leukemia_subtypes(df)242        if self.data_type_id in [1, 3, 5, 7]:243            maternal_causes = get_all_related_causes('maternal', cause_metadata_df)244            injury_causes = get_all_related_causes('_inj', cause_metadata_df)245            maternal = df['cause_id'].isin(maternal_causes)246            inj = df['cause_id'].isin(injury_causes)247            df.loc[~(maternal | inj), 'cause_id'] = 919248            if self.data_type_id == 5:249                df.loc[~maternal, 'cause_id'] = 919...

donationCauseControllers.js

Source:donationCauseControllers.js

1const DonationCause = require('../schemas/DonationCauseSchema');2const fileSizeFormatter = require('../utilities/fileSizeFormatter');3const User = require('../schemas/UserSchema');4// add a new donation cuase administrator Post == ok5const handleAddDonateCuase = async (req, res, next) => {6  const file = {7    name: req.file.originalname,8    path: req.file.path,9    type: req.file.mimetype,10    size: fileSizeFormatter(req.file.size, 2), // 0.0011  };12  const newDonationCause = {13    ...JSON.parse(req.body.cause),14    image: file,15  };16  try {17    const response = await DonationCause.create(newDonationCause);18    res.json(response);19  } catch (error) {20    next(error);21  }22};23// Get All Cuases24const getAllCuases = async (req, res, next) => {25  try {26    const allCuases = await DonationCause.find({});27    res.json(allCuases);28  } catch (error) {29    next(error);30  }31};32// Delete sigle Cuase33const deleteCuase = async (req, res, next) => {34  try {35    const id = req.query.id;36    const query = { _id: id };37    const sigleCuasedelete = await DonationCause.findOneAndDelete(query);38    res.json(sigleCuasedelete);39  } catch (error) {40    next(error);41  }42};43//Update sigle Cause44const updateACause = async (req, res, next) => {45  const { id } = req.query;46  let editedDonationCause = {};47  if (req.file) {48    const file = {49      name: req.file.originalname,50      path: req.file.path,51      type: req.file.mimetype,52      size: fileSizeFormatter(req.file.size, 2), // 0.0053    };54    editedDonationCause = {55      ...JSON.parse(req.body.cause),56      image: file,57    };58  } else {59    editedDonationCause = {60      ...JSON.parse(req.body.cause),61    };62  }63  try {64    const response = await DonationCause.findOneAndUpdate(65      { _id: id },66      editedDonationCause,67      { new: true }68    );69    res.json(response);70  } catch (error) {71    next(error);72  }73};74// take donations75const takeDonations = async (req, res, next) => {76  const { amount, donarId, causeId } = req.body;77  try {78    const cause = await DonationCause.findOne({ _id: causeId });79    let updateFields = {}; // field inside this object will be udpated80    // check if the donar previously donated or not81    const isDonarAvailAble =82      cause?.donars && cause?.donars.find((d) => d.donarId === donarId);83    if (isDonarAvailAble) {84      // update the previous donation amount of donars and increase the raised amount85      const mapDonars = cause.donars.map((d) => {86        if (d.donarId === donarId) {87          return {88            _id: d._id,89            donarId: d.donarId,90            amount: d.amount + Number(amount),91            isPaid: d.isPaid,92          }; //increase the previous given amount of donars93        } else {94          // return {donarId: d.donarId, amount: d.amount, _id: d._id};95          return d;96        }97      });98      updateFields = {99        donars: mapDonars,100        raised: cause?.raised + Number(amount),101      };102    } else {103      // add the new donar in donars array and increase the raised amount104      updateFields = {105        donars: [106          ...cause?.donars,107          { donarId, amount: Number(amount), isPaid: false },108        ],109        raised: cause?.raised + Number(amount),110      };111    }112    // check if the goal achieved or not113    if (updateFields?.raised >= 50000) {114      return res.json({115        message: 'goal allready achieved',116      });117    }118    const updatedCause = await DonationCause.findOneAndUpdate(119      { _id: causeId },120      updateFields,121      { new: true }122    );123    res.json(updatedCause);124  } catch (error) {125    next(error);126  }127};128const updateDonarPaymentStatus = async (req, res, next) => {129  const { donarId, causeId, isPaid } = req.body;130  try {131    const cause = await DonationCause.findOne({ _id: causeId });132    let updateFields = {}; // field inside this object will be udpated133    // check if the donar is available or not134    const isDonarAvailAble =135      cause?.donars && cause?.donars.find((d) => d.donarId === donarId);136    if (isDonarAvailAble) {137      // update the payment status of donars138      const mapDonars = cause.donars.map((d) => {139        if (d.donarId === donarId) {140          return {141            _id: d._id,142            donarId: d.donarId,143            amount: d.amount,144            isPaid,145          }; //increase the previous given amount of donars146        } else {147          return d;148        }149      });150      updateFields = {151        donars: mapDonars,152      };153    } else {154      return res.json({155        message: "user donesn't exist",156      });157    }158    const updatedCause = await DonationCause.findOneAndUpdate(159      { _id: causeId },160      updateFields,161      { new: true }162    );163    res.json(updatedCause);164  } catch (error) {165    next(error);166  }167};168const getAllDonarInfo = async (req, res, next) => {169  try {170    const allCauses = await DonationCause.find();171    const allUsers = await User.find();172    allDonars = [];173    if (allCauses && allCauses.length >= 1) {174      allDonars = allCauses175        .map((cause) => {176          if (cause?.donars && cause?.donars.length >= 1) {177            const causeInfo = {178              _id: cause?._id,179              title: cause?.title,180              image: cause?.image,181              description: cause?.description,182              category: cause?.category,183              goal: cause?.goal,184              raised: cause?.raised,185              date: cause?.date,186            };187            return { causeInfo, donarInfo: cause?.donars };188          } else {189            return false;190          }191        })192        .flat()193        .filter((allInfo) => allInfo)194        .map((info) => {195          // get all the donarInfo from the user collection196          const donarInfo = info.donarInfo.map((d) => {197            const donar = allUsers.find(198              (user) => user._id.toString() === d.donarId199            );200            const infoOfDonarWithAll = {201              donar,202              _id: d.donarId,203              amount: d.amount,204              isPaid: d.isPaid,205            };206            return infoOfDonarWithAll;207          });208          const AllInfoOfDonar = {209            causeInfo: info.causeInfo,210            donarInfo,211          };212          return AllInfoOfDonar;213        });214    }215    res.json(allDonars);216  } catch (error) {217    next(error);218  }219};220const getSpecificUserDonationInfo = async (req, res, next) => {221  try {222    const { uId } = req.query;223    const allCauses = await DonationCause.find();224    const allCausesWithMyDonation = allCauses.map((cause) => {225      let UserDonations = cause.donars.filter((d) => d.donarId === uId);226      return {227        _id: cause?._id,228        title: cause?.title,229        image: cause?.image,230        description: cause?.description,231        category: cause?.category,232        goal: cause?.goal,233        raised: cause?.raised,234        date: cause?.date,235        donars: UserDonations,236      };237    });238    res.json(allCausesWithMyDonation);239  } catch (error) {240    next(error);241  }242};243module.exports = {244  handleAddDonateCuase,245  getAllCuases,246  deleteCuase,247  updateACause,248  takeDonations,249  getAllDonarInfo,250  updateDonarPaymentStatus,251  getSpecificUserDonationInfo,...

error-cause.js

Source:error-cause.js

1// Copyright 2021 the V8 project authors. All rights reserved.2// Use of this source code is governed by a BSD-style license that can be3// found in the LICENSE file.4// Flags: --harmony-error-cause5// Basic error6(function () {7  const err = Error('message', { cause: 'a cause' });8  assertEquals('a cause', err.cause);9  const descriptor = Object.getOwnPropertyDescriptor(err, 'cause');10  assertEquals('a cause', descriptor.value);11  assertFalse(descriptor.enumerable);12  assertTrue(descriptor.writable);13  assertTrue(descriptor.configurable);14})();15// No cause16(function () {17  const err = Error('message');18  assertEquals(undefined, err.cause);19})();20// Chained errors21(function () {22  async function fail() { throw new Error('caused by fail') }23  async function doJob() {24    await fail()25      .catch(err => {26        throw new Error('Found an error', { cause: err });27      });28  }29  async function main() {30    try {31      await doJob();32    } catch (e) {33      assertEquals('Found an error', e.message);34      assertEquals('caused by fail', e.cause.message);35    }36  }37  main();38})();39// AggregateError with cause40(function() {41  const err = AggregateError([1, 2, 3], 'aggregate errors', { cause: 'a cause' });42  assertEquals('a cause', err.cause);43  const descriptor = Object.getOwnPropertyDescriptor(err, 'cause');44  assertEquals('a cause', descriptor.value);45  assertFalse(descriptor.enumerable);46  assertTrue(descriptor.writable);47  assertTrue(descriptor.configurable);48})();49// Options is not an object50(function () {51  const err1 = Error('message', 42);52  assertEquals(undefined, err1.cause);53  const err2 = Error('message', null);54  assertEquals(undefined, err2.cause);55  const err3 = Error('message', [42]);56  assertEquals(undefined, err3.cause);57})();58// Options object does not contain 'cause'59(function () {60  const err = Error('message', { syy: 'A finnish cause' });61  assertEquals(undefined, err.cause);62  assertEquals(undefined, err.syy);63})();64// Options is a proxy65(function () {66  const options = { cause: 'a cause' };67  const proxy = new Proxy(options, { get: () => 'proxied cause'});68  const err = Error('message', proxy);69  assertEquals('proxied cause', err.cause);70})();71// Options is a proxy, but does not expose 'cause'72(function () {73  const options = { cause: 'a cause' };74  const proxy = new Proxy(options, {75    has: (_, key) => key != 'cause',76    get: () => 'proxied cause'77  })78  const err = Error('message', proxy);79  assertEquals(undefined, err.cause);80})();81// Options is a proxy, throw in 'get'82(function () {83  const options = { cause: 'a cause' };84  const proxy = new Proxy(options, {85    get: () => {  throw Error('proxy get', { cause: 'no reason' }) },86  });87  try {88    Error('message', proxy);89    assertUnreachable();90  } catch(e) {91    assertEquals('proxy get', e.message);92    assertEquals('no reason', e.cause);93  }94})();95// Options is a proxy, throw in 'has'96(function () {97  const options = { cause: 'a cause' };98  const proxy = new Proxy(options, {99    has: () => { throw Error('proxy has', { cause: 'no reason' }) },100  });101  try {102    Error('message', proxy);103    assertUnreachable();104  } catch(e) {105    assertEquals('proxy has', e.message);106    assertEquals('no reason', e.cause);107  }108})();109// Cause in the options prototype chain110(function () {111  function Options() {};112  Options.prototype.cause = 'cause in the prototype';113  const options = new Options();114  const err = Error('message', options);115  assertEquals('cause in the prototype', err.cause);116})();117// Cause in the options prototype chain proxy118(function () {119  function Options() {};120  Options.prototype = new Proxy({ cause: 42 }, {121    get: (_ ,name) => {122      assertEquals('cause', name);123      return 'cause in the prototype'124  }});125  const options = new Options();126  const err = Error('message', options);127  assertEquals('cause in the prototype', err.cause);128})();129// Cause in the options prototype chain proxy and throw130(function () {131  function Options() {};132  Options.prototype = new Proxy({ cause: 42 }, { get: () => { throw Error('cause in the prototype')}  });133  const options = new Options();134  try {135    Error('message', options);136    assertUnreachable();137  } catch(e) {138    assertEquals('cause in the prototype', e.message);139  }140})();141// Change Error.cause in the prototype142(function () {143  Error.prototype.cause = 'main cause';144  const err1 = new Error('err1');145  assertEquals('main cause', err1.cause);146  const desc1 = Object.getOwnPropertyDescriptor(err1, 'cause');147  assertEquals(undefined, desc1);148  const err2 = new Error('err2', { cause: 'another cause' });149  assertEquals(err2.cause, 'another cause');150  const desc2 = Object.getOwnPropertyDescriptor(err2, 'cause');151  assertFalse(desc2.enumerable);152  assertTrue(desc2.writable);153  assertTrue(desc2.configurable);154  const err3 = new Error('err3');155  err3.cause = 'after err3';156  assertEquals('after err3', err3.cause);157  const desc3 = Object.getOwnPropertyDescriptor(err3, 'cause');158  assertTrue(desc3.enumerable);159  assertTrue(desc3.writable);160  assertTrue(desc3.configurable);161})();162// Change prototype to throw in setter163(function() {164  const my_proto = {};165  Object.defineProperty(my_proto, 'cause', {set: function(x) { throw 'foo' } });166  Error.prototype.__proto__ = my_proto167  const err = Error('message', { cause: 'a cause' });168  assertEquals('a cause', err.cause);169})();170// Use defineProperty to change Error cause and throw171(function () {172  Object.defineProperty(Error.prototype, 'cause', {173    get: () => { throw Error('from get', { cause: 'inside get' }) },174  });175  const err1 = new Error('err1');176  try {177    err1.cause;178    assertUnreachable();179  } catch(e) {180    assertEquals('from get', e.message);181    assertEquals('inside get', e.cause);182  }183  const err2 = new Error('err2', { cause: 'another cause' });184  assertEquals('another cause', err2.cause);185})();186// Serialize and deserialize error object187(function () {188  const err = Error('message', { cause: 'a cause' });189  const worker = new Worker('onmessage = (msg) => postMessage(msg)', { type: 'string' });190  worker.postMessage(err);191  const serialized_err = worker.getMessage();192  assertEquals(err, serialized_err);193  const descriptor = Object.getOwnPropertyDescriptor(serialized_err, 'cause');194  assertEquals(descriptor.value, 'a cause');195  assertFalse(descriptor.enumerable);196  assertTrue(descriptor.writable);197  assertTrue(descriptor.configurable);...

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